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    • 6. 发明授权
    • Method for the production of foams on silicone basis
    • 以硅胶为基础生产泡沫的方法
    • US08455561B2
    • 2013-06-04
    • US13054150
    • 2009-07-14
    • Christian PeschkoJohann Mueller
    • Christian PeschkoJohann Mueller
    • C08G77/04C08G77/38C08J9/02
    • C09D183/04C08G77/06C08G77/08C08G77/12C08G77/14C08G77/16C08G77/18C08G77/20C08G77/24C08G77/70C08L83/04C08L2666/44C09J183/04D06N3/128
    • The object of the invention is a method for the production of foams on silicon basis from polymer mixtures (A) containing silicon, wherein at least one compound (V) is used that contributes to the formation of the polymer network, and which carries at least one alkoxy silyl group of the general formula [1a], [1b], or [1c] ≡Si—O—(R1)(R2)(R3) [1a], ═Si(R5)—O—C(R1)(R2)(R3) [1b], ≡Si—O—C(O)—U [1c], from which upon curing of the polymer mixtures (A) at least one molecule (XY) is split which is gaseous during processing and causes the formation of foam in the polymer mixture (A), and a catalyst (K) selected from a Brönstedt acid, Brönstedt base, Lewis acid, and Lewis base, where R1, R2, R3, R5, and U have the meanings as stated in claim 1, and where polymer mixtures (A) which form SiO2 during the cross-linking process are excluded. The invention further relates to a method, wherein the foam layers, foamed molded bodies, adhesive or sealing masses are produced, and foams on a silicon basis, which can be obtained from the polymer mixtures (A) according to the previous mentioned method.
    • 本发明的目的是从含有硅的聚合物混合物(A)以硅为基础生产泡沫的方法,其中使用至少一种有助于形成聚合物网络的化合物(V),并且其至少携带 通式[1a],[1b]或[1c] = Si-O-(R1)(R2)(R3)[1a],= Si(R5)-OC(R1)(R2)的烷氧基​​甲硅烷基 )(R3)[1b],= Si-OC(O)-U [1c],在聚合物混合物(A)固化时,至少一个分子(XY)被分裂,其在加工过程中是气态的并且导致形成 在聚合物混合物(A)中的泡沫体和选自布朗斯台德酸,布朗斯台德碱,路易斯酸和路易斯碱的催化剂(K),其中R1,R2,R3,R5和U具有如权利要求中所述的含义 1,并且其中排除在交联过程中形成SiO 2的聚合物混合物(A)。 本发明还涉及一种方法,其中可以从上述方法的聚合物混合物(A)得到泡沫层,发泡成型体,粘合剂或密封块,以硅为基础的泡沫。
    • 7. 发明授权
    • Room-temperature-curable polyorganosiloxane composition
    • 室温可固化聚有机硅氧烷组合物
    • US08362129B2
    • 2013-01-29
    • US12808557
    • 2008-12-17
    • Isao Iida
    • Isao Iida
    • C08K3/10
    • C08K5/54C08G77/12C08G77/16C08G77/18C08G77/26C08K3/016C08K3/10C08K3/26C08K5/544C08K5/57C08K13/02C08L83/04C08L2666/44C08L2666/54C08L83/00
    • A room-temperature-curable polyorganosiloxane composition includes: 100 parts by mass of polyorganosiloxane capped with hydroxyl groups at termini and having a viscosity (23° C.) of 0.02 to 1000 Pa·s; 1 to 200 parts by mass of a filler capable of imparting flame retardancy; 0.1 to 10 parts by mass of a partially hydrolyzed condensate of a silane compound of R1aSi(OR2)4-a wherein R1('s) and R2('s) independently represent a substituted/unsubstituted univalent hydrocarbon group, and ‘a’ represents a numerical value of 0≦a≦0.2 on average; 0.1 to 10 parts by mass of a silane compound of R32Si(OR4)2 wherein R3's and R4's) independently represent a substituted/unsubstituted univalent hydrocarbon group, or its partially hydrolyzed condensate having 3 or less Si atoms in its molecule; 0.1 to 10 parts by mass of an amine-functionalized silane compound of (R5O)3Si—R6—NH—R7 wherein R5's independently represent a substituted/unsubstituted univalent hydrocarbon group, R6 represents a substituted/unsubstituted bivalent organic group, and R7 represents a hydrogen atom, a substituted/unsubstituted univalent hydrocarbon group, or an aminoalkyl group; 0.001 to 10 parts by mass of a curing catalyst; and 1 to 1000 ppm of a platinum compound (in terms of the Pt content).
    • 室温固化型聚有机硅氧烷组合物包括:100质量份在端部用羟基封端并具有0.02〜1000Pa·s的粘度(23℃)的聚有机硅氧烷; 1〜200质量份能够赋予阻燃性的填料; 0.1〜10质量份的R1aSi(OR2)4-a的硅烷化合物的部分水解缩合物,其中R1(s)和R2(s)独立地表示取代/未取代的一价烃基,a表示数 值为0≦̸ a≦̸ 0.2平均; 0.1〜10质量份的R32Si(OR4)2的硅烷化合物,其中R3和R4的独立地表示取代/未取代的一价烃基,或其分子中具有3个或更少Si原子的部分水解缩合物; 0.1〜10质量份(R5O)3Si-R6-NH-R7的胺官能化硅烷化合物,其中R5独立地表示取代/未取代的一价烃基,R6表示取代/未取代的二价有机基团,R7表示 氢原子,取代/未取代的一价烃基或氨基烷基; 0.001〜10质量份固化催化剂; 和1〜1000ppm的铂化合物(以Pt含量计)。